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130212341 = 718601763
BaseRepresentation
bin1111100001011…
…10000111110101
3100002000110202022
413300232013311
5231313243331
620530522525
73140533550
oct760560765
9302013668
10130212341
1167557506
1237736445
1320c9132c
1413417697
15b67167b
hex7c2e1f5

130212341 has 4 divisors (see below), whose sum is σ = 148814112. Its totient is φ = 111610572.

The previous prime is 130212337. The next prime is 130212343. The reversal of 130212341 is 143212031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 143212031 = 672137493.

It is a cyclic number.

It is not a de Polignac number, because 130212341 - 22 = 130212337 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130212343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300875 + ... + 9300888.

It is an arithmetic number, because the mean of its divisors is an integer number (37203528).

Almost surely, 2130212341 is an apocalyptic number.

It is an amenable number.

130212341 is a deficient number, since it is larger than the sum of its proper divisors (18601771).

130212341 is an equidigital number, since it uses as much as digits as its factorization.

130212341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18601770.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 130212341 is about 11411.0622204946. The cubic root of 130212341 is about 506.8553663379.

Adding to 130212341 its reverse (143212031), we get a palindrome (273424372).

The spelling of 130212341 in words is "one hundred thirty million, two hundred twelve thousand, three hundred forty-one".

Divisors: 1 7 18601763 130212341